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Jul 24, 2024 · A contour interval is a vertical distance or difference in elevation between contour lines. Index contours are bold or thicker lines that appear at every fifth contour line. A contour interval in the survey is the vertical distance or the difference in elevation between the two contour lines on a topographic map.
Aug 28, 2023 · Contour Lines: Contour lines are continuous lines on a map that connect points of the same elevation. Each contour line represents a specific elevation value, and the interval between contour lines is known as the "contour interval." The spacing between contour lines reflects the steepness of the terrain.
Now calculate the difference between the two-selected index contour line selected from a map. To take the difference, subtract the higher elevated line with the lower elevated line reading. Step 3: Now count the number of non-index lines contour lines between the 2 index contour lines selected for the contour interval calculating in the 1 st step.
Nov 14, 2024 · A contour line is a line drawn on a topographic map to indicate ground elevation or depression. A contour interval is the vertical distance or difference in elevation between contour lines. Index contours are bold or thicker lines that appear at every fifth contour line.
Wide gaps between contour lines indicate a gentler slope. Understanding Contour Intervals. The difference in elevation between two consecutive contour lines is called the contour interval. For example, if one contour line represents 30 meters above sea level and the next one represents 40 meters, the contour interval is 10 meters. Types of ...
Step 3:-Directly count the number of non-index line contour lines between the two index contour lines specified for the contour interval computing in the 1st step. Step 4:-The number of lines acquired in the above step is obtained and added with 1. For Example: If the number of lines between two index lines is 5. Then add 1 to 5 which becomes 6.
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What is the difference between contour interval and contour line?
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The contour lines run next to each other and NEVER cross. After all, a single point can only have one elevation. Two contour lines next to one another are separated by a constant difference in elevation (such as 20 ft or 100 ft). This difference between contour lines is called the contour interval. The map legend gives the contour interval.
